A child does not look exactly like its parents due to the presence of variations introduced through genetic recombination and other processes during reproduction. The diversity observed among human populations arises from the combination of inherited traits and the subtle differences that result from genetic mechanisms, contributing to the richness of human genetic variability.
Why, despite inheriting all the basic features of a human being, does a child not look exactly like its parents, and what does this observation reveal about human populations?
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A child does not look exactly like its parents despite inheriting basic features due to the combination of genes from both parents. Genetic recombination during sexual reproduction introduces variations, creating a unique genetic profile. Additionally, mutations and independent assortment contribute to individual differences. This observation reveals the inherent diversity within human populations. The constant reshuffling of genetic material generates a broad spectrum of appearances, highlighting the uniqueness of each individual. This genetic variability fosters adaptability and resilience, enhancing the overall survival potential of the human species in diverse environments.